US3153933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power element
Assignee: Sterling Automotive Manufacturing Co
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Filing: 1962-10-22
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Granted: 1964-10-27
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Expires: 1982-10-22
Abstract
No abstract record available.
Inventors
- 👤 John S Freismuth
- 👤 Steven J Jancovic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:50
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/32; G01K5/44; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; Y; Y10; Y10S; Y10S236/00; Y10S236/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A POWER ELEMENT COMPRISING A HEAT CONDUCTIVE CASING DEFINING A CHAMBER WITH AN OPEN END FOR RECEIVING AN EXPANSIBLE AND CONTRACTIBLE, PRESSURE-PRODUCING MATERIAL, SAID CASING HAVING A MARGINAL ABUTTING SURFACE, A GUIDE MEMBER HAVING A PLUNGER-RECEIVING BORE AND A MARGINAL ABUTTING SURFACE OVERLYING THE MARGINAL ABUTTING SURFACE OF THE CASING, A SPACER MEMBER DISPOSED BETWEEN SAID CASING AND SAID GUIDE MEMBER AND HAVING A PLUNGER RECEIVING BORE AND FIRST AND SECOND OPPOSED MARGINAL ABUTTING SURFACES, AN ELASTIC DIAPHRAGM MEMBER FOR CLOSING THE OPEN END OF SAID CHAMBER WHICH CARRIES A FIRST SEALING FLANGE POSITIONED ABOVE THE SPACER MEMBER AND A SECOND SEALING FLANGE POSITIONED BELOW THE SPACER MEMBER, A PORTION OF THE FIRST SEALING FLANGE SPANNING A FIRST RECESS FORMED BETWEEN THE FIRST ABUTTING SURFACE OF THE SPACER MEMBER AND THE ABUTTING SURFACE OF THE GUIDE MEMBER, A PORTION OF THE SECOND SEALING FLANGE SPANNING A SECOND RECESS FORMED BETWEEN THE SECOND ABUTTING SURFACE OF THE SPACER MEMBER AND THE ABUTTING SURFACE OF THE CASING A RECIPROCAL PLUNGER
Claim 2
Dependent Claim
168 words
A POWER ELEMENT COMPRISING A HEAT CONDUCTIVE CASING DEFINING A CHAMBER WITH AN OPEN END FOR RECEIVING AN EXPANSIBLE AND CONTRACTIBLE, PRESSURE-PRODUCING MATERIAL, SAID CASING HAVING A MARGINAL ABUTTING SURFACE, A GUIDE MEMBER HAVING A PLUNGER-RECEIVING BORE AND A MARGINAL ABUTTING SURFACE OVERLYING THE MARGINAL ABUTTING SURFACE OF THE CASING, A SPACER MEMBER DISPOSED BETWEEN SAID CASING AND SAID GUIDE MEMBER AND HAVING A PLUNGER RECEIVING BORE AND FIRST AND SECOND OPPOSED MARGINAL ABUTTING SURFACES, AN ELASTIC DIAPHRAGM MEMBER FOR CLOSING THE OPEN END OF SAID CHAMBER WHICH CARRIES A FIRST SEALING FLANGE POSITIONED ABOVE THE SPACER MEMBER AND A SECOND SEALING FLANGE POSITIONED BELOW THE SPACER MEMBER, A PORTION OF THE FIRST SEALING FLANGE SPANNING A FIRST RECESS FORMED BETWEEN THE FIRST ABUTTING SURFACE OF THE SPACER MEMBER AND THE ABUTTING SURFACE OF THE GUIDE MEMBER, A PORTION OF THE SECOND SEALING FLANGE SPANNING A SECOND RECESS FORMED BETWEEN THE SECOND ABUTTING SURFACE OF THE SPACER MEMBER AND THE ABUTTING SURFACE OF THE CASING A RECIPROCAL PLUNGER
References Cited (Backward Citations)
GB885242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |